EP 708 -Mother Simpson

After faking his own death, and by complete coincidence, Homer finds his mother; alive and well - mourning Homer's death. Homer brings his mother home. Lisa finds out that her rare intelligence comes from her grandmother. However, Mrs. Simpsons' past appears to be very shady, to say the least, and it turns out, that the FBI are searching for her. She took part in a project to destroy Monty Burns' drug research. Homer helps his mother escape.